//哈希存储
import java.util.*;
import java.io.*;
public class Main{
    public static void main(String[] args) throws IOException{
        BufferedReader br=new BufferedReader(new InputStreamReader(System.in));
        String s=null;
        while((s=br.readLine())!=null){
            char[] chars=s.toCharArray();
            String strlong=br.readLine();
            char[] charslong=strlong.toCharArray();
            int ashort[]=new int[26];
            int along[]=new int[26];
            for(int i=0;i<chars.length;i++){
                ashort[chars[i]-'a']=1;
            }
            for(int i=0;i<charslong.length;i++){
                along[charslong[i]-'a']=1;
            }
            int flag=0;
            for(int i=0;i<26;i++){
                if(ashort[i]==1 && along[i]!=1) flag=1;
            }
            if(flag==0) System.out.println("true");
            else if(flag==1) System.out.println("false");
        }
    }
}